*Walter I d'Oisy Seigneur d'Avesnes et Leuze
born about 1105 Oizy, Namur, Belgium
died 1147

father:
*Fasted II d'Oisy
born about 1080 Oizy, Namur, Belgium
died after 1111

mother:
*Richilde wife of Fasted II d'Oisy
(end of information)

siblings:
unknown

spouse:
*Ada (Ida) of Mortagne
born about 1109 Oizy, Namur, Belgium

children:
*Nicholas Seigneur d'Avesnes, Leuze et Conde
born about 1129 died about 1169
Thierry D'Avesnes

biographical and/or anecdotal:

notes or source:
ancestry.com